/*
 * ExternalModelFileFilter.java
 * 
 * Created on Aug 18, 2007, 8:31:44 PM
 * 
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.usixml.model.client;

import java.io.File;
import javax.swing.filechooser.FileFilter;

/**
 *
 * @author htmfilho
 */
public class ExternalModelFileFilter extends FileFilter {

	@Override
	public boolean accept(File f) {
		if (f.isDirectory()) {
            return true;
        }

        String extension = getExtension(f);
        if (extension != null) {
            if (extension.equals("xml")) {
            	return true;
            } 
            else {
                return false;
            }
        }

        return false;
	}

	@Override
	public String getDescription() {
            return "External Model files";
	}

	public static String getExtension(File f) {
        String ext = null;
        String s = f.getName();
        int i = s.lastIndexOf('.');

        if (i > 0 &&  i < s.length() - 1) {
            ext = s.substring(i+1).toLowerCase();
        }
        return ext;
    }
}
